Automatic Elevator With Overload Alert Using PIC

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The main aim of this Automated Elevator With Overload Alert is to prevent the elevator from any damage. This system makes use of sensors for sensing when a person enters the elevator and automatically increements the counter. This count is displayed on the 7 segment display to indicate the number of people in the elevator at a particular time. The system makes use of infraRed sensors which is placed at a distance from the elevator in the opposte direction. as soon as a person enters the elevator, the sensors senses it and increements the counter and in the same way decreements the counter when a person exits the elevator. all this information is fed by the PIC microcontroller. This system also makes use of buzzer. this buzzer starts ringing as soon as the number of people in the elevator exceeds the limit. The buzzer only stops when the number of people exit the elevator so as to bring the counter number less than the limit.

• Hardware Specifications
• PIC16F877A
• Mini Door
• 7 Segment Display
• I R Transmitter Receiver
• Buzzer
• Crystal Oscillator
• Resistors
• Capacitors
• Transistors
• Cables and Connectors
• Diodes
• PCB and Breadboards
• LED
• Transformer/Adapter
• Push Buttons
• Switch
• IC
• IC Sockets
• Software Specifications
• MPLAB
• MC Programming Language: C

Block Diagram